/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.nifi.controller;

import java.lang.management.ManagementFactory;
import java.lang.management.ThreadInfo;
import java.lang.management.ThreadMXBean;

public class ThreadDetails {
    private final ThreadInfo[] threadInfos;
    private final long[] deadlockedThreadIds;
    private final long[] monitorDeadlockThreadIds;

    private ThreadDetails(final ThreadMXBean mbean) {
        threadInfos = mbean.dumpAllThreads(true, true);
        deadlockedThreadIds = mbean.findDeadlockedThreads();
        monitorDeadlockThreadIds = mbean.findMonitorDeadlockedThreads();
    }

    public ThreadInfo[] getThreadInfos() {
        return threadInfos;
    }

    public long[] getDeadlockedThreadIds() {
        return deadlockedThreadIds;
    }

    public long[] getMonitorDeadlockThreadIds() {
        return monitorDeadlockThreadIds;
    }

    public static ThreadDetails capture() {
        final ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
        return new ThreadDetails(mbean);
    }
}
